FRESH-WATER ALG^E. 



75 



INDEX. 



Amphithrix, 15. 

 Ancylonema, 57. 

 Ankistrodesmus, 34, 35. 

 Aphanocapsa, 12, 13. 

 Aphanochsete, 50. 

 Aphanothece, 13. 

 Apiocystis, 30. 

 Aplanospores, 39. 

 Aptogonum, 65. 

 Arthrodesmus, 59, 63. 

 Arthrosiphon, 22. 

 Arthrospira, 18, 20. 

 Autocolonies, 31. 

 Autospores, 31. 



Bacillariae, 9, 24. 

 Bambusina, 65. 

 Batrachospermum, 73. 

 Botrydiaceae, 24. 

 Botrydina, 29. 

 Botrydium, 25. 

 Botryococcus, 32. 

 Bulbochaete, 51, 52. 



Calocylindrus, 63. 

 Calothrix, 15, 16. 

 Camptotrichaceae, 16. 

 Chaetomorpha, 54. 

 Chaetophora, 46. 

 Chaetophoraceae, 44, 45. 

 Chaetophorales, 27, 44. 

 Chaetosphaeridiaceae, 44, 45. 

 Chaetosphaeridium, 50. 

 Chamaesiphoniaceae, 14. 

 Chantransia, 73. 

 Chara, 9, 69. 

 Characeae, 9, 68. 

 Characiaceae, 28, 39. 

 Characium, 39. 

 Chlamydococcus, 43. 

 Chlamydomonadeae, 42. 



Chlamydomonas, 42. 

 Chlorobotrys, 25, 26. 

 Chlorococcus, 29, 38. 

 Chlorophycese, 9, 26. 

 Chlorosphasra, 33. 

 Choaspis, 66, 67. 

 Chroococcaceae, 11. 

 Chroococcus, 12, 14. 

 Chroolepus, 45. 

 Cladophora, 54. 

 Cladophoracese, 53. 

 Clathrocystis, 13. 

 Closterium, 58, 60. 

 Coccogoneae, II. 

 Coelastrese, 31, 36. 

 Ccelastrum, 36. 

 CcElosphserium, 12, 13. 

 Coenobia, 27, 31. 

 Coleochseta, 51. 

 Coleochsetaceae, 44, 50. 

 Conferva, 25. 

 Conjugate, 9, 27, 55. 

 Cosmaridium, 63. 

 Cosmarium, 59, 63. 

 Cosmocladium, 59. 

 Craterospermum, 68. 

 Crucigenia, 36. 

 Crucigenieas, 31, 35- 

 Cryptonemiales, 71. 

 Cthonoblastus, 20. 

 Cyanophycese, 9, 10. 

 Cylindrocapsa, 45, 48. 

 Cylindrocapsacese, 45, 48. 

 Cylindrocystis, 57. 

 Cylindrospermum, 21. 

 Cystococcus, 38. 



Dactylococcus, 34. 

 Desmidiaceae, 55, 56. 

 Desmidium, 60, 65. 

 Diatomaceae, 9, 24. 



